89 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // @ts-check
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| 
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| const fs = require("fs");
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| const mysql = require("mysql");
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| const parseDbResults = require("./parseDbResults");
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| const dbHandler = require("./dbHandler");
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| 
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| /**
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|  * DB handler for specific database
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|  * ==============================================================================
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|  * @async
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|  * @param {object} params - Single object params
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|  * @param {string} params.queryString - SQL string
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|  * @param {string[]} [params.queryValuesArray] - Values Array
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|  * @param {string} params.database - Database name
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|  * @param {import("../../../types/database-schema.td").DSQL_TableSchemaType} [params.tableSchema] - Table schema
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|  * @returns {Promise<any[]|null>}
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|  */
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| module.exports = async function varDatabaseDbHandler({ queryString, queryValuesArray, database, tableSchema }) {
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|     /**
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|      * Create Connection
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|      *
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|      * @description Create Connection
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|      */
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|     const connection = mysql.createConnection({
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|         host: process.env.DSQL_SOCKET_HOST,
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|         user: process.env.DSQL_SOCKET_USER,
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|         password: process.env.DSQL_SOCKET_PASS || "",
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|         database: process.env.DSQL_SOCKET_DB_NAME,
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|         charset: "utf8mb4",
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|         port: parseInt(process.env.DSQL_SOCKET_DB_NAME || "") || undefined,
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|     });
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| 
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|     /**
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|      * Declare variables
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|      *
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|      * @description Declare "results" variable
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|      */
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|     let results;
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| 
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|     /**
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|      * Fetch from db
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|      *
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|      * @description Fetch data from db if no cache
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|      */
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|     try {
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|         if (queryString && queryValuesArray && Array.isArray(queryValuesArray) && queryValuesArray[0]) {
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|             results = await dbHandler({ query: queryString, values: queryValuesArray, database: database });
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|         } else {
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|             results = await dbHandler({ query: queryString, database: database });
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|         }
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| 
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|         ////////////////////////////////////////
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|         ////////////////////////////////////////
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|         ////////////////////////////////////////
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|     } catch (error) {
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|         console.log("\x1b[31mvarDatabaseDbHandler ERROR\x1b[0m =>", database, error);
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|     }
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| 
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|     /**
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|      * Return results
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|      *
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|      * @description Return results add to cache if "req" param is passed
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|      */
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|     if (results && tableSchema) {
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|         try {
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|             const unparsedResults = results;
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|             // deepcode ignore reDOS: <please specify a reason of ignoring this>
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|             const parsedResults = await parseDbResults({ unparsedResults: unparsedResults, tableSchema: tableSchema });
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|             return parsedResults;
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|         } catch (error) {
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|             console.log("\x1b[31mvarDatabaseDbHandler ERROR\x1b[0m =>", database, error);
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|             return null;
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|         }
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| 
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|         ////////////////////////////////////////
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|         ////////////////////////////////////////
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|         ////////////////////////////////////////
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|     } else if (results) {
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|         return results;
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| 
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|         ////////////////////////////////////////
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|         ////////////////////////////////////////
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|         ////////////////////////////////////////
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|     } else {
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|         return null;
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|     }
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| };
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